[SPARK-47920] Add documentation for python streaming data source

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0.0
• Fix Version/s: 4.0.0
• Component/s: PySpark, SS
• Labels: pull-request-available
• Epic Link: unlabelled-SPARK-46866
• Assignee: Chaoqin Li
• Reporter: Chaoqin Li
• Created: 19/Apr/24 17:55
• Updated: 22/May/24 07:36
• Resolved: 22/May/24 07:36

Description

Add documentation (user guide) for Python data source API.

The DOC should explain how to develop and use DataSourceStreamReader and DataSourceStreamWriter

Issue Links

• links to: GitHub Pull Request #46139